don't take chantix if you've had a serious allergic or skin reaction to it. if you develop these stop taking chantix and see your doctor right away as some can be life-threatening. if you have a history of heart or blood vessel problems, tell your doctor if you have new or worse symptoms. get medical help right away if you have symptoms of a heart attack. use caution when driving or operating machinery. common side effects include nausea, trouble sleeping and unusual dreams. it helps to have people around you... they say, you're much bigger than this. and you are. [ male announcer ] ask your doctor if chantix is right for you. and sounds vying for your attention. so we invented a warning you can feel. introducing the all-new cadillac xts. available with a patented safety alert seat. when there's danger you might not see, you're warned by a pulse in the seat. it's technology you won't find in a mercedes e-class. the all-new cadillac xts has arrived, and it's bringing the future forward. >>> more than 1 million children are caring for ill, disabled, or aging fa